Radeon HD5550 1GB Pcie x16 DDR3 Engine clock speed: 550 MHz Processing power (single precision): 352 GigaFLOPS Polygon throughput: 550M polygons/sec Data fetch rate (32-bit): 35.2 billion fetches/sec Texel fill rate (bilinear filtered): 8.8 Gigatexels/sec Pixel fill rate: 4.4 Gigapixels/sec Anti-aliased pixel fill rate: 17.6 Gigasamples/sec Memory clock speed: 800 Memory bandwidth: DDR3 = 12.5 Gbps Maximum board power: 45 Watts Idle board power: 10 Watts